Home / 53,291.82-79,850.25-18,212.34

Finding the Fourth Proportional to 53,291.82, 79,850.25 and 18,212.34

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Solution

The fourth proportional to 53,291.82, 79,850.25 and 18,212.34 is: 27,288.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,291.82 : 79,850.25 = 18,212.34 : x
  2. Step 2: Convert to fraction form
    53,291.82/79,850.25 = 18,212.34/x
  3. Step 3: Cross multiply
    53,291.82x = 79,850.25 × 18,212.34
  4. Step 4: Simplify right side
    53,291.82x = 1,454,259,902.09
  5. Step 5: Solve for x
    x = 1,454,259,902.09/53,291.82
  6. Step 6: Final answer
    x = 27,288.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.